A somewhat strange move that is not too dangerous.
9... g7g6  10. g1f3 Both players refuse to exchange bishops, proving once more that doubled pawns are not a weakness in many positions. If White captures, Black can make use of the half-open c-file, and the pawn on d6 will control the e5-square, taking it away from White's knight. In turn, if Black captures on f4, then White gains space and a robust pawn formation. 10... e8g8  11. e1c1  11... a7a6 [%c_arrow b7b5;keyPressed;none;from;b7;opacity;0.8;to;b5;persistent;false] Intending to advance the pawn to b5, starting counterplay on the queenside.